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參數資料
| 型號： | ST72331 |
| 廠商： | 意法半導體 |
| 英文描述： | 8-Bit MCU with 8 to 16K ROM/OTP/EPROM, 256 EEPROM, 384 to 512 Bytes RAM, ADC, WDG, SCI, SPI and 2 Timers(8位微控制器(8M)) |
| 中文描述： | 8位微控制器與8至16K的光碟/雙層/存儲器，256的EEPROM，384字節(jié)RAM為512，藝發(fā)局，水分散粒劑，脊髓損傷，SPI和2計時器（8位微控制器（8米）） |
| 文件頁數： | 4/98頁 |
| 文件大?。?/td> | 1123K |
| 代理商： | ST72331 |
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4/98
ST72331
1 GENERAL DESCRIPTION
1.1 INTRODUCTION
The ST72331 HCMOS Microcontroller Unit (MCU)
is a member of the ST7 family. The device is
based on an industry-standard 8-bit core and fea-
tures an enhanced instruction set. The device is
normally operated at a 16 MHz oscillator frequen-
cy. Under software control, the ST72331 may be
placed in either Wait, Slow or Halt modes, thus re-
ducing power consumption. The enhanced in-
struction set and addressing modes afford real
programming potential. In addition to standard
8-bit data management, the ST72331 features
true bit manipulation, 8x8 unsigned multiplication
and indirect addressing modes on the whole mem-
ory. The device includes a low consumption and
fast start on-chip oscillator, CPU, program memo-
ry (ROM/OTP/EPROM versions), EEPROM,
RAM, 44 (QFP64 and SDIP56) or 32 (QFP44 and
SDIP42) I/O lines, a Low Voltage Detector (LVD)
and the following on-chip peripherals: Analog-to-
Digital converter (ADC) with 8 (QFP64, SDIP56) or
6 (QFP44, SDIP42) multiplexed analog inputs, in-
dustry standard synchronous SPI and asynchro-
nous SCI serial interfaces, digital Watchdog, two
independent 16-bit Timers, one featuring an Exter-
nal Clock Input, and both featuring Pulse Genera-
tor capabilities, 2 Input Captures and 2 Output
Compares (only 1 Input Capture and 1 Output
Compare on Timer A).
Figure 1. ST72331 Block Diagram
8-BIT CORE
ALU
A
OSCIN
OSCOUT
RESET
PORT B
TIMER B
PORT C
SPI
PORT E
SCI
PORT D
8-BIT ADC
WATCHDOG
PB0 -> PB7
(8 bits for ST72331N)
(5 bits for ST72331J)
PC0 -> PC7
(8 bits)
PE0 -> PE7
PD0 -> PD7
(8 bits for ST72331N)
(6 bits for ST72331J)
OSC
Internal
CLOCK
CONTROL
AND LVD
RAM
(384 - 512 Bytes)
PORT F
PF0 -> PF2,4,6,7
(6 bits)
TIMER A
PORT A
PA0 -> PA7
(8 bits for ST72331N)
(5 bits for ST72331J)
V
SSA
V
DDA
(6 bits for ST72331N)
(2 bits for ST72331J)
EEPROM
(256 Bytes)
V
SS
V
DD
POWER
SUPPLY
PROGRAM
MEMORY
(8 - 16K Bytes)
66
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| ST72331J2 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-BIT MICROCONTROLLER (MCU) WITH 8/16K ROM/OTP/EPROM.256 EEPROM.384/512 BYTES RAM.ADC.WDG.SCI.SPI & 2 TIMERS - SDIP42/56. QFP44/64 |
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